Pipe-wrench.



BEST AWMELE 661? W. B. URQUHART.

PIPE WRENCH. 4 APPLICATION FILED JULY 1, 1912.

1,060,040, Patented Apr. 29, 1913.

Inventor Attorneys WILLIAM E. URQUI-IART, OF MOSCOW, IDAHO.

PIPE-WRENCH.

Specification of Letters Patent.

Patented Apr. 29, 1913.

Application filed July 1, 1912. Serial No. 707,022.

To all whom it may concern:

Be it known that I, WILLIAM E. UR U- HART, a citizen of the UnitedStates, residing at Moscow, in the county of Latah and State of Idaho,have invented a new and useful Pipe-Wrench, of which the following is aspecification.

One object of the present invent-ion is to provide a wrench soconstituted that it may be used in restricted spaces.

A further object of the invention is to provide novel means foroperatively connecting the fixed jaw with the handle portion of thewrench, and to provide novel means for supporting the movable jaw forsliding movement.

The invention aims further to provide novel resilient means foractuating the jawholder and the movable jaw, and to provide novel meansfor adjusting the tension of the resilient means.

With the foregoing and other objects in view, which will appear as thedescription proceeds, the invention resides in the combination andarrangement of parts and in the details of construction hereinafterdescribed and claimed, it being understood that changes in the preciseembodiment of invention herein disclosed can be made within the scope ofwhat is claimed without departing from the spirit of the invention.

In the drawings,Figure 1 shows the invention in side elevation; Fig. 2is a longitudinal section; Fig. 3 is a section on the line 33 of Fig. 1;Fig. 4 is an elevation of the wrench, taken at right angles to the viewpoint of Fig. 1; and Fig. 5 is a detail perspective of the aw-holder.

In carrying out the invention there is provided a handle 1, whichpreferably is straight. Extended transversely through the handle 1 areapertures, denoted by the numerals 2 and 3. Beyond the apertures 3, oneside face 4 of the handle 1 is concaved, and is provided with teeth 5,constituting the fixed jaw of the wrench. In the opposite side face 6 ofthe handle 1 there is a recess 7 which communicates with the apertures3.

The movable jaw is denoted by the numeral 8 and is provided adjacent itsextremity with teeth 9. Projecting from the jaw 8 at right anglesthereto, and preferably formed integrally therewith, is a shank 10 whichmay be graduated as indicated at 11, in any desired manner, and to anyextent, to indicate different diameters of pipe. The

shank 10 of the movable jaw is threaded as indicated at 12.

There is provided a jaw-holder, denoted generally by the numeral 14, andshown in clearest outline in Fig. 5. The jaw-holder 14 is preferably inthe form of a block, and is equipped with oppositely disposed openings15, there being other openings 16 through the jaw-holder, at rightangles to the openings 15. Extended laterally from the base of one ofthe openings 15 is a projection 17 having a transverse opening 18.Projecting from one end of the jaw-holder 14 is a hook 19.

The shank 10 of the movable jaw S is inserted through the recess 3 ofthe handle 1 and through the openings 15 in the jawholder 14, the jaw Slying opposite to the fixed jaw 5, and the jaw-holder 14 bearing againstthe side face 6 of the handle 1, the project-ion 17 extending into therecess 7, and a pivot element 19 being inserted through the handle 1 andthrough the opening 18 in the projection 17, to afford a pivotalmounting for the j aw-holder 14. A nut 20 is threaded upon the portion12 of the shank 10, the nut 20 being mounted for rotation in theopenings 16, and projecting laterally beyond the j aw-holder 14.

The shank 21 of the hook 19 ordinarily extends through one wall of the jaw-holder 14, and is provided terminally with a button 22. When the nut20 is in place, the nut engages the button 22 to hold the hook 19 inplace. A retract-ile spring 23 is mounted in the recess 2 of the handle1, the spring 23 terminating at one end in an eye 24 which is engagedwith the hook 19. Secured in the other end of the spring 23 is athreaded stud 25, carrying a nut 26 which bears against the side face 4of the handle 1.

The jaws 5 and 8 may be separated by rotating the nut 20. When the jaws5 and 8 have been set to the approximate diameter of the pipe, the pipemay be inserted between the jaws, the jaw-holder 14 swinging upon itspivotal mounting 19, tht spring 23,

being thereby put under tension, the function of the spring 23 being tohold the jaws 5 and 8 engaged with the pipe. The tension of the spring23 may be adjusted by rotating the nut 26 which is engaged with the stud25 and with the side face 4 of the handle 1 of the wrench. It is to benoted that the projection 17 exercises a double function, and that, atonce, it constitutes a means for pivotally connecting. the j aw-holder14 with the handle 1, and constitutes also, a support upon which theshank 10 of the movable jaw 8 is mounted to slide.

Generally considered, the wrench herein disclosed is of compact form,and the relation between the jaws 5 and 8 is such that the wrench may beemployed with advantage for pipe fitting between joists, and in otherlocalities, where a pipe wrench having rectangularly disposed jaws couldnot be used.

Having thus described the invention, what is claimed is 1. In a wrench,a handle having a jaw along one of its side faces; a jaw-holder lyingalong the opposite side face of the handle and pivoted adjacent one endto the handle; a movable jaw opposite to the fixed jaw and having ashank extended through the handle and through the jaw holder; a nutthreaded upon the shank and mounted for rotation in the jaw holder; aretractile spring having an exposed end detachably connected with theother end of the jaw-holder the spring being extended through the handlebeyond the jaw holder; and tension adjusting means connected with theother end of the spring and engaged with the first specified side faceof the handle.

2. In a wrench, a handle having a jaw along one of its side faces; ajaw-holder lying along the opposite side face of the handle and pivotedadjacent one end to the handle; a movable jaw opposite to the fixed jawand having a shank extended through the handle and through thejaw-holder; a nut threaded upon the shank and mounted for rotation inthe jaw-holder; a retract-ile spring connected with the other end of thejaw holder and extended through the handle; a threaded stud carriedby'the free end of the spring; and a nut upon the stud, bearing againstthe j aw-carrying face of the handle.

3. In a wrench, a handle having a along one of its side faces andprovided with a recess in its opposite side face; a jawholder lyingalong the recessed side face of the handle and having a projectionentering the recess; a pivot element connected with the projection andwith the handle; a movable jaw disposed opposite to the fixed jaw andhaving a shank extended through the handle and through the jawholder,and slidably supported upon the projection; a nut threaded upon theshank and mounted for rotation in the jawholder; a hook upon one end ofthe jawholder, remote from the projection; a retractile spring removablyengagtd at one end with the hook and extended through the handle; athreaded stud connected with the other end of the spring; and a nut uponthe stud, bearing against the jaw-carrying face of the handle.

In testimony that I claim the foregoing as my own, I have hereto afiixedmy signature in the presence of two witnesses.

WILLIAM E. URQUHART.

Witnesses:

' F. ELLIOTT SMITH,

H. H. AUGNEY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents. Washington, D. C.

